Answer: (F) chemical energy
Explanation:
Organic matter plays an important part in the local, regional, and global water cycles due to its role in promoting water.
This means that the amino acid is neutral due to the pH equals 7
Electron number
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No because observing a physical property of a substance is just observing like color or texture. They don't change. Physical properties do not change the composition of a substance and neither do physical changes.